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Xywav: Detailed Datasheet

Medically reviewed by Min Clinic Staff | Updated: January 2026
  • Generic Name: calcium, magnesium, potassium, and sodium oxybates oral solution
  • Brand Name: Xywav

side effects drug center xywav (calcium, magnesium, potassium, and sodium oxybates oral solution) drug - patient side effects and images

 

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CONSUMER

SIDE EFFECTS

Xywav Patient Information Including Side Effects

Brand Names: Xywav

Generic Name: calcium, magnesium, potassium, and sodium oxybates

What is calcium, magnesium, potassium, and sodium oxybates (Xywav) (Xywav)?

Xywav is a central nervous system depressant. It is used to treat cataplexy (sudden loss of muscle strength) or to reduce daytime sleepiness caused by narcolepsy. This medicine is for use in adults and children at least 7 years old.

Xywav contains an ingredient also known as GHB, a known street drug of abuse. Because of the potential for abuse and serious side effects, Xywav is available only from a certified pharmacy under a special program. You must be registered in the program and understand the risks and benefits of this medicine.

Xywav may also be used for purposes not listed in this medication guide.

What are the possible side effects of this medicine (Xywav)?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • weak or shallow breathing, breathing that stops for short periods of time;
  • severe drowsiness, feeling light-headed;